<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        $a = -1;
        $b = 2;
        
        echo "Questao 1 <br>";
        do {
            echo $a . " ";
            $a--;
        } while ($a >= (-100));
        

        echo "<br>Questao 2 <br>";
        
        do {
            while ($b % 2 == 0) {
                echo $b . " _ ";
                break;
            }
            $b++;
        } while ($b <= 20);
        ?>
    </body>
</html>
